/Engine/Plugins/Runtime/GameplayAbilities/Source/GameplayAbilitiesEditor/Public/GameplayAbilitiesEditorModule.h
Sets delegate that will be called to retrieve list of gameplay cue notify classes to be presented by GameplayCue Editor when creating a new notify
[FGetGameplayCueNotifyClasses](API\Plugins\GameplayAbilitiesEditor\FGetGameplayCueNotifyClasses) & GetGameplayCueNotifyClassesDelegate()